0.5 THz波导双定向耦合器设计  

Design of THz waveguide dual directional coupler

作　　者：李小玲 赵广峰 LI Xiaoling;ZHAO Guangfeng(China Electronics Technology Instruments CO.,LTD,Qingdao Shandong 266555,China)

机构地区：[1]中电科仪器仪表有限公司,山东青岛266555

出　　处：《太赫兹科学与电子信息学报》2021年第1期24-26,共3页Journal of Terahertz Science and Electronic Information Technology

摘　　要：介绍了0.5THz波导双定向耦合器的原理分析及仿真设计。采用双排多孔等间距不等孔径的方案,设计了0.325~0.5THz宽带波导双定向耦合器,并给出了仿真及测试曲线。测试结果显示,0.5THz波导双定向耦合器在0.325~0.5THz全波导带宽内耦合度为(7.6±1)dB,方向性大于18 dB,输入端口回波损耗大于16 dB。该耦合器性能优越,已用于S参数测试系统中。The theory and simulation of the 0.5 THz waveguide dual-directional coupler is introduced.By using scheme of double rows,equal spacing,different diameters of multiple holes,the 0.325-0.5 THz broadband waveguide dual-directional coupler is realized,and the simulation and test curves are given.It indicates that,the coupling factor is 7.6 dB±1 dB,the directivity is greater than 18 dB,and the return loss of the input port is greater than 16 dB.The coupler has excellent performance and has been applied to Sparameter test system.

关 键 词：太赫兹 双定向耦合器 小孔耦合 

分 类 号：TN622[电子电信—电路与系统]